Runtime Detection of C-Style Errors in UPC Code

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Unified Parallel C (UPC) extends the C programming language (ISO C 99) with explicit parallel programming support for the partitioned global address space (PGAS), which provides a global memory space with localized partitions to each thread. Like its ancestor C, UPC is a low-level language that emphasizes code efficiency over safety. The absence of dynamic (and static) safety checks allows programmer oversights and software flaws that can be hard to spot. In this paper, we present an extension of a dynamic analysis tool, ROSE-Code Instrumentation and Runtime Monitor (ROSECIRM), for UPC to help programmers find C-style errors involving the global ... continued below

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Pirkelbauer, P; Liao, C; Panas, T & Quinlan, D September 29, 2011.

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Unified Parallel C (UPC) extends the C programming language (ISO C 99) with explicit parallel programming support for the partitioned global address space (PGAS), which provides a global memory space with localized partitions to each thread. Like its ancestor C, UPC is a low-level language that emphasizes code efficiency over safety. The absence of dynamic (and static) safety checks allows programmer oversights and software flaws that can be hard to spot. In this paper, we present an extension of a dynamic analysis tool, ROSE-Code Instrumentation and Runtime Monitor (ROSECIRM), for UPC to help programmers find C-style errors involving the global address space. Built on top of the ROSE source-to-source compiler infrastructure, the tool instruments source files with code that monitors operations and keeps track of changes to the system state. The resulting code is linked to a runtime monitor that observes the program execution and finds software defects. We describe the extensions to ROSE-CIRM that were necessary to support UPC. We discuss complications that arise from parallel code and our solutions. We test ROSE-CIRM against a runtime error detection test suite, and present performance results obtained from running error-free codes. ROSE-CIRM is released as part of the ROSE compiler under a BSD-style open source license.

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PDF-file: 12 pages; size: 0.8 Mbytes

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  • Presented at: PGAS 2011, Galveston, TX, United States, Oct 15 - Oct 18, 2010

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  • Report No.: LLNL-CONF-502592
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1037834
  • Archival Resource Key: ark:/67531/metadc835381

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  • September 29, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 1, 2016, 6:19 p.m.

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Pirkelbauer, P; Liao, C; Panas, T & Quinlan, D. Runtime Detection of C-Style Errors in UPC Code, article, September 29, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc835381/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.